Abstract: Provided is a sheet-type cell with excellent reliability. The sheet-type cell of the present invention includes power generation elements, including a positive electrode, a negative electrode, a separator, and an electrolyte solution, and a sheet-type outer case made of a resin film in which the power generation elements are contained. The electrolyte solution is an aqueous electrolyte solution. The resin film has an electrically insulating moisture barrier layer. The sheet-type cell is a primary cell. The moisture barrier layer of the resin film is preferably composed of at least an inorganic oxide. The pH of the electrolyte solution is preferably 3 or more and less than 12.

Abstract: Provided is a waterproof device that is impervious to water and can also use an air cell as a power source. The waterproof device of the present disclosure is worn on the body and includes a circuit unit, a power source, and an exterior package that protects the circuit unit and the power source. At least a part of the exterior package is composed of a water-repellent air-permeable sheet. The water-repellent air-permeable sheet has a water pressure resistance of 12 kPa or more.

Abstract: A sheet-type cell disclosed in this application includes an outer case and a power generation element contained in the outer case. The power generation element includes a positive electrode, a negative electrode, a separator, and an electrolyte solution. The separator is constituted by a porous resin sheet. The outer case includes a first outer case member and a second outer case member. Each outer case member includes a thermally fusible resin layer. The first outer case member and the second outer case member are disposed on respective opposite sides of the power generation element. A periphery of the first outer case member and a periphery of the second outer case member are sealed by thermally welding, with a periphery of the separator interposed between the peripheries of the first and second outer case members.

Abstract: A negative electrode for an aqueous electrolyte cell disclosed in the present application contains an electrolytic zinc foil as an active material layer. The electrolytic zinc foil is preferably composed of zinc alloy containing Bi in a proportion of 0.001 to 0.2% by mass. A sheet-type cell disclosed in the present application includes a sheet-type outer case and a power generation element contained in the sheet-type outer case. The power generation element includes a positive electrode, a negative electrode, a separator, and an aqueous electrolyte solution. The negative electrode is the negative electrode for an aqueous electrolyte cell of the present application.

Abstract: A cell roll disclosed in the present application includes a sheet-type continuous body including a long sheet-type outer case body and a plurality of power generation elements. The sheet-type outer case body includes a resin film. The power generation elements are individually sealed in the sheet-type outer case body. The power generation elements are located side by side in the longitudinal direction of the sheet-type outer case body. Each of the power generation elements includes a positive electrode, a negative electrode, a separator, and an electrolyte. The sheet-type outer case body and the power generation elements form individual cells. The sheet-type continuous body is wound in a spiral fashion.

Abstract: Provided is a sheet-type cell with excellent reliability. The sheet-type cell of the present invention includes power generation elements, including a positive electrode, a negative electrode, a separator, and an electrolyte solution, and a sheet-type outer case made of a resin film in which the power generation elements are contained. The electrolyte solution is an aqueous electrolyte solution. The resin film has an electrically insulating moisture barrier layer. The sheet-type cell is a primary cell. The moisture barrier layer of the resin film is preferably composed of at least an inorganic oxide. The pH of the electrolyte solution is preferably 3 or more and less than 12.

Abstract: Provided is a waterproof device that is impervious to water and can also use an air cell as a power source. The waterproof device of the present disclosure is worn on the body and includes a circuit unit, a power source, and an exterior package that protects the circuit unit and the power source. At least a part of the exterior package is composed of a water-repellent air-permeable sheet. The water-repellent air-permeable sheet has a water pressure resistance of 12 kPa or more.

Abstract: There is provided an electromagnetic contactor that ensures appropriately preventing a foreign matter from invading an auxiliary contact mechanism housing chamber from a main contact mechanism housing chamber via a through-hole on a partition wall; and a foreign matter from invading the main contact mechanism housing chamber from the auxiliary contact mechanism housing chamber via the through-hole on the partition wall. With an electromagnetic contactor (1), a main contact mechanism housing chamber (A) and an auxiliary contact mechanism housing chamber (B) are partitioned by a partition wall (10). The partition wall (10) has a through-hole (10a) through which a coupling shaft (34) is inserted. A foreign matter invasion prevention mechanism (60) is provided at a peripheral area of the through-hole (10a).

Abstract: A contact device includes a main contact mechanism including a pair of main fixed contacts and a main movable contact elastically supported by a movable shaft and disposed to contact with and separate from the pair of main fixed contacts; an auxiliary contact mechanism disposed at a different position from the main contact mechanism, and including a pair of auxiliary fixed contacts and an auxiliary movable contact disposed in an insulating auxiliary contact holding member connected to the movable shaft to contact with and separate from the pair of auxiliary fixed contacts; and a contact housing portion housing the main contact mechanism and the auxiliary contact mechanism. The movable shaft includes a main contact support portion for supporting the main movable contact, and an auxiliary contact support portion for supporting the auxiliary contact holding member. The main contact support portion is divided from the auxiliary contact support portion.

Abstract: There is provided a contact device including an accommodating case that accommodates a main contact point mechanism having fixed contacts, an external terminal that is disposed outside the accommodating case, and a terminal board that passes through the accommodating case and electrically connects the fixed contacts and the external terminal together. The terminal board has a bent portion surface-contacting with side surfaces of the accommodating case.

Abstract: The contact device includes a main contact mechanism that includes a pair of main fixed contacts and a main movable contact elastically supported by a movable shaft and disposed to be contactable with and separable from the pair of main fixed contacts, an auxiliary contact mechanism that includes a pair of auxiliary fixed contacts and auxiliary movable contacts disposed in an auxiliary contact holding member connected to the movable shaft so as to be contactable with and separable from the pair of auxiliary fixed contacts, and a contact housing portion that houses the main contact mechanism and the auxiliary contact mechanism. The movable shaft has a main contact support portion supporting the main movable contact and an auxiliary contact support portion supporting the auxiliary contact holding member. The main contact support portion and the auxiliary contact support portion are connected to each other via the auxiliary contact holding member.

Abstract: To provide an electromagnetic contactor that enables electrical connection work of connecting the electromagnetic contactor to another electrical component disposed in a current path to be performed easily and efficiently. An electromagnetic contactor includes a main contact portion; an auxiliary contact portion; a contact housing case that houses the main contact portion and the auxiliary contact portion; an electromagnet unit that drives a movable plunger coupled to a connecting shaft of the main contact portion; main contact electrodes project out of a case wall of the contact housing case to an outside; auxiliary contact electrodes that are connected to a pair of fixed contacts of the auxiliary contact portion and project out of the case wall to an outside; and an auxiliary contact external terminal portion that is connected to the auxiliary contact electrodes and is arranged on a portion of the case wall.

Abstract: A contact device includes a main contact mechanism including a pair of main stationary contact members and a main movable contact member; an auxiliary contact mechanism disposed at a position different from that of the main contact mechanism and including auxiliary stationary contact members and auxiliary movable contact members; a movable shaft configured to operate the main movable contact member and the auxiliary movable contact member in conjunction with each other; rod-shaped auxiliary terminals electrically connected to the auxiliary stationary contact members; a cover plate having holes through which the auxiliary terminals penetrate; an insulating case configured to house the main contact mechanism and the auxiliary contact mechanism and including an auxiliary terminal case section configured to separate the main contact mechanism and the auxiliary contact mechanism from each other; and a cylindrical body covering the insulating case exteriorly and joined to the cover plate.

Abstract: A gradient magnetic field coil device has a main coil arrangement formed by embedding into first resin multiple main coils for generating a gradient magnetic field and a leakage magnetic field, and a shield coil arrangement formed by embedding into second resin multiple shield coils for suppressing the leakage magnetic field, wherein the shield coil arrangement includes a facing area that faces the main coil arrangement and is fixed to the main coil arrangement, and a protruding area that protrudes beyond the main coil arrangement, wherein insulated reinforcing members are embedded into the second resin in the protruding area. Multiple reinforcing members are arranged in a circumferential direction of the shield coil arrangement, and the second resin is preferably filled between the adjacent-to-each-other reinforcing members. The reinforcing members are preferably arranged toward the main coil arrangement with respect to the shield coils.

Abstract: An electromagnetic contactor includes a contact mechanism including a pair of fixed contacts having fixed contact portions and interposed in a current conduction path, and a movable contact having a pair of movable contact portions capable of contacting to and separating from the pair of fixed contact portions. At least one of the pair of fixed contacts or the movable contact is formed in a shape to form magnetic fields generating Lorentz forces opposing electromagnetic repulsion forces generated in an opening direction between the fixed contact portions and the movable contact portions when current is conducted. External connection conductors are connected to external connection terminals of the fixed contacts, an attachment direction of fixed portions fixed to the external connection terminal of the fixed contacts is set to cross a current flow direction flowing through the movable contact.

Abstract: There is provided an electromagnetic contactor which can easily and inexpensively change the DC operation type to the AC operation type. The electromagnetic contactor includes an electromagnet that opens and closes a contact by using DC excitation of a coil, a lower case that accommodates the electromagnet, external coil terminals that are disposed in the lower case beside the electromagnet, and a substrate that is accommodated in the lower case, and that has a rectifier circuit whose input side is connected to the external coil terminals and whose output side is connected to the coil so as to output a DC after converting an input AC to the DC. An inner surface of the lower case has a groove between the electromagnet and the external coil terminals. The substrate is held by being inserted into the groove.

Abstract: To provide an electromagnetic contactor that enables electrical connection work of connecting the electromagnetic contactor to another electrical component disposed in a current path to be performed easily and efficiently. An electromagnetic contactor includes a main contact portion; an auxiliary contact portion; a contact housing case that houses the main contact portion and the auxiliary contact portion; an electromagnet unit that drives a movable plunger coupled to a connecting shaft of the main contact portion; main contact electrodes project out of a case wall of the contact housing case to an outside; auxiliary contact electrodes that are connected to a pair of fixed contacts of the auxiliary contact portion and project out of the case wall to an outside; and an auxiliary contact external terminal portion that is connected to the auxiliary contact electrodes and is arranged on a portion of the case wall.